Analysis
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max time kernel
111s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
04-01-2025 05:03
General
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Target
a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.exe
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Size
204KB
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MD5
538662476b7867b08d21bff8bbb50610
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SHA1
6f028211cd8d78def1caeec310db45d1fe8a1160
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SHA256
a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9fa
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SHA512
27651a21b818ede3662bc6a329448c17c921bac4a0123222120882c5abbe70a995c88e504da08ff7d2ebd9b7945501ade1ed8a7bdf7b30d0334022553a1aced9
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SSDEEP
3072:y5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:yLexkuRaX41xoyJV65gzyZko+uc
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.exe"C:\Users\Admin\AppData\Local\Temp\a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
204KB
MD57b9ec1d7da6a883af18728b9f1641324
SHA1bbdf007e193a6658220e5650953b76278161a33c
SHA25657f1b21739b63a239f70e512d39547dd6a5c0f2048d06413d972b2ff7e9305ec
SHA5124ad3b3a42cde1fa4b0375756c3d8be2f8c110e296b3d7512bbbe18a403d07ed9082359a08ecbe8002837f6a6373d481ae33cb9c8bf51e2a2a4a516213724cefe
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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728KB
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